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Use the simple dictionary in full text search for the user directory (#8959)

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* Use the simple dictionary in fts for the user directory

* Clarify naming
This commit is contained in:
Brendan Abolivier 2020-12-17 14:42:30 +01:00 • committed by GitHub
parent c07022303e
commit f2783fc201
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3 changed files with 36 additions and 12 deletions
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24
synapse/storage/databases/main/user_directory.py
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@ -396,9 +396,9 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore):
sql = """
INSERT INTO user_directory_search(user_id, vector)
VALUES (?,
setweight(to_tsvector('english', ?), 'A')
|| setweight(to_tsvector('english', ?), 'D')
|| setweight(to_tsvector('english', COALESCE(?, '')), 'B')
setweight(to_tsvector('simple', ?), 'A')
|| setweight(to_tsvector('simple', ?), 'D')
|| setweight(to_tsvector('simple', COALESCE(?, '')), 'B')
) ON CONFLICT (user_id) DO UPDATE SET vector=EXCLUDED.vector
"""
txn.execute(
@ -418,9 +418,9 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore):
sql = """
INSERT INTO user_directory_search(user_id, vector)
VALUES (?,
setweight(to_tsvector('english', ?), 'A')
|| setweight(to_tsvector('english', ?), 'D')
|| setweight(to_tsvector('english', COALESCE(?, '')), 'B')
setweight(to_tsvector('simple', ?), 'A')
|| setweight(to_tsvector('simple', ?), 'D')
|| setweight(to_tsvector('simple', COALESCE(?, '')), 'B')
)
"""
txn.execute(
@ -435,9 +435,9 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore):
elif new_entry is False:
sql = """
UPDATE user_directory_search
SET vector = setweight(to_tsvector('english', ?), 'A')
|| setweight(to_tsvector('english', ?), 'D')
|| setweight(to_tsvector('english', COALESCE(?, '')), 'B')
SET vector = setweight(to_tsvector('simple', ?), 'A')
|| setweight(to_tsvector('simple', ?), 'D')
|| setweight(to_tsvector('simple', COALESCE(?, '')), 'B')
WHERE user_id = ?
"""
txn.execute(
@ -764,7 +764,7 @@ class UserDirectoryStore(UserDirectoryBackgroundUpdateStore):
INNER JOIN user_directory AS d USING (user_id)
WHERE
%s
AND vector @@ to_tsquery('english', ?)
AND vector @@ to_tsquery('simple', ?)
ORDER BY
(CASE WHEN d.user_id IS NOT NULL THEN 4.0 ELSE 1.0 END)
* (CASE WHEN display_name IS NOT NULL THEN 1.2 ELSE 1.0 END)
@ -773,13 +773,13 @@ class UserDirectoryStore(UserDirectoryBackgroundUpdateStore):
3 * ts_rank_cd(
'{0.1, 0.1, 0.9, 1.0}',
vector,
to_tsquery('english', ?),
to_tsquery('simple', ?),
8
)
+ ts_rank_cd(
'{0.1, 0.1, 0.9, 1.0}',
vector,
to_tsquery('english', ?),
to_tsquery('simple', ?),
8
)
)